/**
 * Modern Professional Blog Styles
 * SaaS-optimized design with clean layout, modern cards, and engagement features
 */

/* ============================================
   BLOG CONTAINER & LAYOUT
   ============================================ */

.blog-container {
    padding: 0 0 var(--space-3xl);
    min-height: 70vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   CATEGORY FILTER BAR
   ============================================ */

.category-filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin: var(--space-2xl) 0;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.filter-scroll {
    flex: 1;
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

.filter-scroll::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    cursor: pointer;
}

.filter-chip:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

.filter-chip.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(138, 43, 226, 0.2);
}

.chip-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: var(--text-xs);
    font-weight: 600;
}

.filter-chip.active .chip-count {
    background: rgba(255, 255, 255, 0.3);
}

.filter-chip:not(.active) .chip-count {
    background: var(--color-bg-tertiary);
    color: var(--color-text-tertiary);
}

/* ============================================
   SEARCH BAR
   ============================================ */

.blog-search-bar {
    position: relative;
    min-width: 280px;
}

.blog-search-bar i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.blog-search-bar input {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-3xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    transition: all 0.2s ease;
}

.blog-search-bar input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background: var(--color-bg-primary);
}

.search-dropdown {
    position: absolute;
    top: calc(100% + var(--space-xs));
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header-modern {
    margin: var(--space-3xl) 0 var(--space-xl);
    text-align: left;
}

.section-header-modern h2 {
    font-size: clamp(1.75rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-header-modern h2 i {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.section-header-modern p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    margin: 0;
}

/* ============================================
   FEATURED POSTS SECTION
   ============================================ */

.featured-section {
    margin-bottom: var(--space-3xl);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 450px), 1fr));
    gap: var(--space-xl);
}

.featured-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

.featured-image-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.featured-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-card:hover .featured-image-wrapper img {
    transform: scale(1.08);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent 60%);
}

.featured-label {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
}

.featured-content {
    padding: var(--space-xl);
}

.featured-content .category-tag {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.featured-content h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-md);
}

.featured-content .excerpt {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 var(--space-lg);
    font-size: var(--text-base);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.author-meta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.meta-divider {
    color: var(--color-text-tertiary);
    opacity: 0.5;
}

/* ============================================
   MODERN POST CARDS
   ============================================ */

.posts-section {
    margin-bottom: var(--space-3xl);
}

.posts-modern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
    gap: var(--space-xl);
}

.modern-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.modern-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.modern-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
}

.modern-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.modern-card:hover .modern-card-image img {
    transform: scale(1.05);
}

.card-category-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .card-category-badge {
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-primary);
}

.modern-card-content {
    padding: var(--space-lg);
}

.modern-card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.modern-card-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: var(--text-sm);
    margin: 0 0 var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.modern-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-md);
}

.card-author,
.card-reading-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.card-author i,
.card-reading-time i {
    font-size: var(--text-xs);
    opacity: 0.8;
}

.card-date {
    margin-top: var(--space-xs);
}

.card-date time {
    color: var(--color-text-tertiary);
    font-size: var(--text-xs);
}

.modern-card-hover-effect {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: transparent;
    pointer-events: none;
}

.modern-card:hover .modern-card-hover-effect {
    box-shadow: inset 0 0 0 2px var(--color-primary);
}

/* ============================================
   PAGINATION
   ============================================ */

.modern-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin: var(--space-3xl) 0;
    padding: var(--space-xl) 0;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.pagination-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(138, 43, 226, 0.2);
}

.pagination-info {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.current-page {
    font-size: var(--text-2xl);
    color: var(--color-primary);
}

.page-separator {
    color: var(--color-text-tertiary);
}

.total-pages {
    color: var(--color-text-secondary);
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state-modern {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--color-bg-secondary);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-xl);
    margin: var(--space-3xl) 0;
}

.empty-state-modern i {
    font-size: 5rem;
    color: var(--color-text-tertiary);
    opacity: 0.3;
    margin-bottom: var(--space-lg);
}

.empty-state-modern h3 {
    font-size: var(--text-2xl);
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-sm);
}

.empty-state-modern p {
    color: var(--color-text-tertiary);
    margin: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .category-filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }

    .blog-search-bar {
        min-width: auto;
        width: 100%;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .posts-modern-grid {
        grid-template-columns: 1fr;
    }

    .modern-pagination {
        flex-direction: column;
        gap: var(--space-md);
    }

    .pagination-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Dark Mode Enhancements */
[data-theme="dark"] .featured-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 60%);
}

[data-theme="dark"] .filter-chip.active {
    box-shadow: 0 4px 12px rgba(138, 43, 226, 0.4);
}

[data-theme="dark"] .modern-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .modern-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}